Carlos Ernesto Gonçalves Reynaud Schaefer
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View article: Deforestation in Areas of Higher Suitability Does Not Imply Greater Productivity: The Mismatch Between Environmental and Economic Sustainability in the Cerrado
Deforestation in Areas of Higher Suitability Does Not Imply Greater Productivity: The Mismatch Between Environmental and Economic Sustainability in the Cerrado Open
The expansion of agriculture in the Cerrado has led to the highest deforestation rates in Brazil. The conversion of these areas is not only linked to biodiversity loss and the decline of ecosystem services but also does not result in incre…
View article: Diversity and Ecology of Myxomycetes (Amoebozoa) Along a Vegetational Gradient in the Peruvian Andes
Diversity and Ecology of Myxomycetes (Amoebozoa) Along a Vegetational Gradient in the Peruvian Andes Open
The study investigated the diversity and ecology of Myxomycetes (Amoebozoa) along a vegetation gradient in the Cuzco department, Peru, spanning altitudes from 2500 to 4700 m. Field collections were carried out at six sites distributed acro…
View article: Measuring the Impact of Climate Assemblies Through Participant Surveys
Measuring the Impact of Climate Assemblies Through Participant Surveys Open
Climate assemblies provide a platform for citizens to deliberate and contribute to solutions for pressing environmental issues. Understanding their impact on participants is essential for evaluating their effectiveness and shaping future a…
View article: Exploratory interaction of Chionis alba (snowy sheathbill) with the amatoxin-producing mushroom Galerina marginata in Antarctica
Exploratory interaction of Chionis alba (snowy sheathbill) with the amatoxin-producing mushroom Galerina marginata in Antarctica Open
We report a rare behavioral observation involving an individual of Chionis alba (snowy sheathbill) attempting to consume a basidiome of the toxic mushroom Galerina marginata on Livingston Island, Antarctica. The bird briefly picked up the …
View article: Diversity and Ecology of Myxomycetes (Amoebozoa) Along a Vegetacional Gradient in the Peruvian Andes
Diversity and Ecology of Myxomycetes (Amoebozoa) Along a Vegetacional Gradient in the Peruvian Andes Open
The study investigated the diversity and ecology of Myxomycetes (Amoebozoa) along a vegetation gradient in the Cuzco department, Peru, spanning altitudes from 2,500 to 4,700 meters. Field collections were carried out at six sites distribut…
View article: The bones of Livingston Island—history of plant succession in Antarctica
The bones of Livingston Island—history of plant succession in Antarctica Open
The bones found in the beaches of Byers Peninsula, Livingston Island - Antarctica are testimonies of almost two hundred years ago when the area was full of seals and whales hunters. The remaining´s of that period are composed of complete s…
View article: Global warming may turn ice-free areas of Maritime and Peninsular Antarctica into potential soil organic carbon sinks
Global warming may turn ice-free areas of Maritime and Peninsular Antarctica into potential soil organic carbon sinks Open
The impact of intensified climate change driven by global warming on the stocks and dynamics of soil organic carbon in Antarctica is currently uncertain. Our objective with this was evaluate the potential repercussions of global warming on…
View article: Temporal trend and dynamics of the active layer at different monitoring points in Maritime Antarctica and Peninsula
Temporal trend and dynamics of the active layer at different monitoring points in Maritime Antarctica and Peninsula Open
Antarctica provides a unique opportunity to understand changes in permafrost and global climate. Four monitoring sites were selected between maritime Antarctica and the Peninsula to study the temporal trend, air and soil temperature, and d…
View article: Soils and carbon distribution at Byers Peninsula - Maritime Antarctica, based on the climate change scenario
Soils and carbon distribution at Byers Peninsula - Maritime Antarctica, based on the climate change scenario Open
Maritime Antarctica has a milder climate than the Antarctic continent and is naturally more sensitive to rising global temperature. Therefore, it is necessary to understand the soils, including those with permafrost, as well as the relief …
View article: Cold desert soil formation in Heritage Range, Ellsworth Mountains, West Antarctica
Cold desert soil formation in Heritage Range, Ellsworth Mountains, West Antarctica Open
The Ellsworth Mountains represent a significant gap in pedological studies in Antarctica, particularly concerning soil formation at the local level. This study focused on 22 soil profiles from the southern portion of the Ellsworth Mountain…
View article: Integrating proximal geophysical sensing and machine learning for digital soil mapping: Spatial prediction and model evaluation using a small dataset
Integrating proximal geophysical sensing and machine learning for digital soil mapping: Spatial prediction and model evaluation using a small dataset Open
Geophysical methods support soil security by providing non-invasive tools to assess soil properties, monitor degradation, and guide sustainable management strategies. However, studies focusing the spatial prediction of geophysical data rem…
View article: Quartzitic Caves with guano at the Serra do Ibitipoca State Park (MG) - Brazil: key nutrient hotspots in the soils and adjacent forests
Quartzitic Caves with guano at the Serra do Ibitipoca State Park (MG) - Brazil: key nutrient hotspots in the soils and adjacent forests Open
Little is known about the role of guano from quartzite caves in forming biodiverse plant communities in the surrounding areas due to direct or indirect nutrient and energy inputs. This study investigates four caves in the Quartzite Endokar…
View article: Paisagens e processos pedogenéticos em distintos ecossistemas terrestres Antárticos
Paisagens e processos pedogenéticos em distintos ecossistemas terrestres Antárticos Open
A Antártica apresenta uma variedade de climas frios que reflete a grande extensão e localização única do seu território. Apesar de avanços recentes, ainda existem muitas lacunas científicas sobre o conhecimento dos solos antárticos. O obje…
View article: Expanding geographic distribution knowledge of Galerina marginata (Batsch) Kühner (Agaricales, Hymenogastraceae) with a novel Antarctic record
Expanding geographic distribution knowledge of Galerina marginata (Batsch) Kühner (Agaricales, Hymenogastraceae) with a novel Antarctic record Open
The investigation of Agaricales diversity in the Antarctica is limited, with only seven genera reported for the region. Galerina stands out as the genus with the highest species diversity, including 12 species in Antarctica. This research …
View article: Diversidade florística e estrutural das formações savânicas do Jalapão – Tocantins, Brasil
Diversidade florística e estrutural das formações savânicas do Jalapão – Tocantins, Brasil Open
O objetivo deste trabalho foi descrever e avaliar a variação florística e estrutural que caracteriza as diferentes fitofisionomias encontradas na região do Jalapão (campo sujo, campo cerrado, cerrado sentido restrito, cerrado sentido restr…
View article: Ground temperature trend and active layer dynamics in the Fildes Peninsula, King George Island - Marine Antarctica
Ground temperature trend and active layer dynamics in the Fildes Peninsula, King George Island - Marine Antarctica Open
Ground temperature's sensitivity to climate change has garnered attention. This study aimed to monitor and analyze temporal trends and estimate Active Layer Thickness from a monitoring point at Fildes Peninsula, King George Island, in Anta…
View article: Soil carbon prediction in Marajó island wetlands
Soil carbon prediction in Marajó island wetlands Open
Soil is an important carbon repository in terrestrial ecosystems, serving a fundamental role in the intricate cycling of this elemental component. Wetlands are crucial components of the global carbon cycle, playing a significant role in ca…
View article: Pedodiversity and ornithogenesis of a tiny Antarctic Island (Half Moon): landform-geology-vegetation interrelationships
Pedodiversity and ornithogenesis of a tiny Antarctic Island (Half Moon): landform-geology-vegetation interrelationships Open
The harsh Antarctic climate limits soil formation and the development of terrestrial ecosystems, with most biological activity concentrated in the short summer season in ice-free areas. There, penguins play a crucial role in nutrient trans…
View article: Soil attributes and leaf litter composition in forest communities of the Brazilian Pantanal
Soil attributes and leaf litter composition in forest communities of the Brazilian Pantanal Open
Leaf litter is an important component related to nutrient cycling and conservation of soil biodiversity. In this context, the objective of our study was to investigate the relationship between soil and leaf litter in different forest commu…
View article: Resistance to adverse conditions and characterization of Cladosporium species from marine and terrestrial Antarctic samples
Resistance to adverse conditions and characterization of Cladosporium species from marine and terrestrial Antarctic samples Open
Microbial adaptations to extreme environments can lead to biotechnological applications. This study aimed to evaluate the resistance of Antarctic Cladosporium to adverse conditions (temperature, salinity, UV radiation, and nutrients) and r…
View article: Soilscapes from Byers Peninsula, Maritime Antarctic: landform-lithology controls in soil formation
Soilscapes from Byers Peninsula, Maritime Antarctic: landform-lithology controls in soil formation Open
The Byers Peninsula, the largest ice-free area in Maritime Antarctica, is vital for studying landscape-scale natural processes due to its diverse periglacial landforms. This study aim to characterize the soils and environments of its south…
View article: Salt-affected soils in the Lopez de Bertodano Formation, polar semi-desert of Seymour Island, Antarctica: topographic or lithological controls?
Salt-affected soils in the Lopez de Bertodano Formation, polar semi-desert of Seymour Island, Antarctica: topographic or lithological controls? Open
Salinization is one of the main pedogenetic processes occurring on the semiarid zone of the Weddel sea, like in Seymour Island, where salt-affected soils are widespread. This study aimed to investigate whether topography controls the distr…
View article: TerraSAR-X SAR data for classification of ice-free areas and glacier facies on Fildes Peninsula, King George Island, Antarctica
TerraSAR-X SAR data for classification of ice-free areas and glacier facies on Fildes Peninsula, King George Island, Antarctica Open
The region of the Maritime Antarctic suffers significantly from climate change, resulting in regional warming and consequently affecting coverage. This study characterized three surface zones of Collins Glacier and three other zones in ice…
View article: Anthropogenic effect on the pedochemical variability of potentially toxic elements at the vicinity of an Antarctic research station
Anthropogenic effect on the pedochemical variability of potentially toxic elements at the vicinity of an Antarctic research station Open
Antarctica represents an isolated continent devoted to conservation and scientific research, although it accumulates records of increasing anthropic contamination. The historical continued use of fuel for power generation in Antarctic sett…
View article: Microbial successional pattern along a glacier retreat gradient from Byers Peninsula, Maritime Antarctica
Microbial successional pattern along a glacier retreat gradient from Byers Peninsula, Maritime Antarctica Open
The retreat of glaciers in Antarctica has increased in the last decades due to global climate change, influencing vegetation expansion, and soil physico-chemical and biological attributes. However, little is known about soil microbiology d…
View article: Soil chemistry dataset from the work "Modelling and prediction of major soil chemical properties with Random Forest: machine learning as tool to understand soil-environment relationships in Antarctica"
Soil chemistry dataset from the work "Modelling and prediction of major soil chemical properties with Random Forest: machine learning as tool to understand soil-environment relationships in Antarctica" Open
Bases sum, H+Al (potential acidity), pH, phosphorous, remaining P (P-rem), sodium and total organic carbon distribution in Antarctic soils modeled and predicted through Machine Learning approaches, legacy soil data and environmental covari…
View article: Soil chemistry dataset from the work "Modelling and prediction of major soil chemical properties with Random Forest: machine learning as tool to understand soil-environment relationships in Antarctica"
Soil chemistry dataset from the work "Modelling and prediction of major soil chemical properties with Random Forest: machine learning as tool to understand soil-environment relationships in Antarctica" Open
Bases sum, H+Al (potential acidity), pH, phosphorous, remaining P (P-rem), sodium and total organic carbon distribution in Antarctic soils modeled and predicted through Machine Learning approaches, legacy soil data and environmental covari…
View article: Soil texture dataset from the publication: "Machine learning applied for Antarctic soil mapping: Spatial prediction of soil texture for Maritime Antarctica and Northern Antarctic Peninsula'
Soil texture dataset from the publication: "Machine learning applied for Antarctic soil mapping: Spatial prediction of soil texture for Maritime Antarctica and Northern Antarctic Peninsula' Open
Clay, silt and sand distribution in Antarctic soils modeled and predicted through Machine Learning approaches, legacy soil data and environmental covariates. The coefficient of variation and quantile data represent the spatial uncertainty …
View article: Soil texture dataset from the publication: "Machine learning applied for Antarctic soil mapping: Spatial prediction of soil texture for Maritime Antarctica and Northern Antarctic Peninsula'
Soil texture dataset from the publication: "Machine learning applied for Antarctic soil mapping: Spatial prediction of soil texture for Maritime Antarctica and Northern Antarctic Peninsula' Open
Clay, silt and sand distribution in Antarctic soils modeled and predicted through Machine Learning approaches, legacy soil data and environmental covariates. The coefficient of variation and quantile data represent the spatial uncertainty …
View article: Processos pedogeomorfológicos em ambientes periglaciais: o fenômeno patterned ground na Antártica Marítima
Processos pedogeomorfológicos em ambientes periglaciais: o fenômeno patterned ground na Antártica Marítima Open
Patterned ground (PG) é uma geoforma típica de ambientes periglaciais. Processos físico-químicos regidos por mecanismos de congelamento e descongelamento são típicos destes ambientes e são importantes para a gênese dessas superfícies. Este…